MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8177e5c3a4e3cc4c471e834c36ff00f7374fee8372dfc2e56b6a71fce5a3ab0f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



FormBook


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 8177e5c3a4e3cc4c471e834c36ff00f7374fee8372dfc2e56b6a71fce5a3ab0f
SHA3-384 hash: 2d84e3182a2dd2f7637fe9a3ce3a298d906c459a50ce56d513673182a44bf1057b54cb627e4e6295451a75d10ada93ea
SHA1 hash: 03e93e80978c7e29523b1b4f7d5f2807a012babc
MD5 hash: 8270442ff4a657551728cd15af2dd598
humanhash: blossom-oscar-november-jupiter
File name:SecuriteInfo.com.W32.AIDetectNet.01.22871.5438
Download: download sample
Signature FormBook
File size:487'424 bytes
First seen:2022-06-21 03:32:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wYvxzJ6NwkV6s3r9B+Zcajwe9z3wOvalN8YO2sV:tvFmWs3r9BIcaVjvm7O1
Threatray 14'696 similar samples on MalwareBazaar
TLSH T181A4E0F18EF4BE66E12431773051A13C77D38D0DEC66A53ACA9BF04A34A2AC565E0E17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-06-21 01:34:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:as47 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
1f32ffcb7d17f25dff3a74a29ca062cec79124f96bc8ee099592a170e311fba5
MD5 hash:
0b6a75c02bb6a16db5f82dca452ef8e2
SHA1 hash:
c9d27cf0a25ad1ffb6e8346d7b00591af945deed
SH256 hash:
cec39ca3585cc1428521fb5a3b83826319a38fa79e3bf06724c5b66f1905fd3f
MD5 hash:
cd1e473be314bd818b289f5982f561ce
SHA1 hash:
d629c1915a361c729c54c4bb9570245fca2d728f
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
8177e5c3a4e3cc4c471e834c36ff00f7374fee8372dfc2e56b6a71fce5a3ab0f
MD5 hash:
8270442ff4a657551728cd15af2dd598
SHA1 hash:
03e93e80978c7e29523b1b4f7d5f2807a012babc
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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